Thread: What are these stains?
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Old 22-02-2011, 06:26 PM
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jones (Salvatore)
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Join Date: Feb 2011
Location: Espoo, Finland
Posts: 80
Hi everyone. I have taken flats, a number of them.
Also, I don't think those are northern lights because what you're looking at is the sigma-clip stacking of 51 pictures.
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